The association between renal function and tooth loss in Japanese community-dwelling postmenopausal women |
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Authors: | Yoshihara Akihiro Nakamura Kazutoshi Miyazaki Hideo |
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Institution: | Department of Oral Health Science, Division of Preventive Dentistry, Niigata University Graduate School of Medical and Dental Sciences, Chuo-ku, Niigata, Japan. akihiro@dent.niigata-u.ac.jp |
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Abstract: | doi: 10.1111/j.1741‐2358.2011.00481.x The association between renal function and tooth loss in Japanese community‐dwelling postmenopausal women Objectives: This study examined whether low renal function is associated with the number of remaining teeth among community‐dwelling elderly Japanese. Background data: Many elderly individuals display both low renal function and tooth loss. Materials and Methods: Subjects comprised 405 randomly selected women (55–74 years old). Serum cystatin C level was used to assess renal dysfunction. Multiple linear regression analysis was used to evaluate the relationship between number of remaining teeth and serum cystatin C level, with number of remaining teeth as the dependent variable. Six variables were selected as independent variables in the final model: serum cystatin C; age; mean clinical attachment level; serum cross‐linked N‐telopeptide of type I collagen level; body mass index and smoking habits. Results: Multiple linear regression analysis revealed a significant relationship between number of remaining teeth and serum cystatin C level. The beta value for serum cystatin C level for the number of remaining teeth was ?0.11 (p = 0.018). Conclusion: This study indicates a relationship between serum cystatin C level and number of remaining teeth, suggesting that low renal function could be associated with tooth loss. |
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Keywords: | epidemiology renal function tooth loss |
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